TR850 Service Manual
122
MCBSP RX
TXB
AMP
C224
33pF
R239
33
R251
33
C222
33pF
R287
NC
R280
33
R247
33
R243
33
C259
33pF
C215
33pF
C264
0.1uF
C214
33pF
C220
33pF
C247
33pF
C253
NC
C250
NC
C262
0.1uF
R248
33
R290
2.2K
+
C226
10uF/25V
+
C263
10uF/25V
R281
33
C255
33pF
1
POWER_CRTL
2
GND
3
POWER_SWITCH
4
GND/SCK
5
TX_ENABLE
6
GND/SDA
7
SWR_R
8
TEMP_DET_IO
9
SWR_T
10
TEMPERATURET/NC
J18
POWER_BOARD
R294
3.3K
R283
33
R317
NC
C254
NC
C210
33pF
C257
NC
R242
33
R240
33
R286
33
C249
33pF
C208
33pF
R357
NC
R285
33
C252
33pF
C212
NC
C225
0.1uF
R252
33
C221
33pF
R289
33
C213
33pF
R278
NC
C219
NC
R277
NC
C248
33pF
C261
4K7
R353
10K
R355
10K
C258
33pF
R249
33
R291
33
R282
33
C260
4K7
R237
33
C223
33pF
R279
33
1
GND
3
GND
5
GND
7
GND
9
TX_LD
11
PLL_SPI_CLK
13
VCC8TX
15
PLL_DATA
17
PLL_CS
19
VCC
2
BB_IP
4
BB_IN
6
BB_QP
8
BB_QN
10
TX_VCO_SEL
12
GND
14
GND
16
GND
18
TX_ENABLE
20
VCC
J17
TX_Board_NEW
R241
33
R292
2.2K
R238
33
C211
NC
R316
NC
R250
33
R293
3.3K
R246
33
R254
33
C209
33pF
R284
NC
C256
NC
R315
33
R245
33
R288
33
1
SYNCB
3
9864_DATAOUTA
5
9864_OUT_FS
7
SPI_DATA_IN
9
9864_VCO_CTRL
11
I2C_SDA
13
RX_LD
15
BPR_CRTL
17
VCCR8X
19
RX_VCO_SEL
21
A0
23
GND
25
13V8
2
SPI_DATA_OUT
4
9864_OUT_CLK
6
SPI_CLK
8
9864_SPI_CS
10
PLL_SPI_CS
12
I2C_SCL
14
GND
16
AFSADC
18
GND
20
SQL
22
W/N
24
RSSI
26
13V8
J15
RX_BOARD_NEW
C207
33pF
R244
33
R100
NC
FB20
5FE1-BLM41P600SPT
FB22
5FE1-BLM41P600SPT
C298
1uF/25V
C508
100P
C509
33P
C510
470P
C511
1uF/25V
C514
100P
C515
33P
C516
470P
+
C506
10uF/25V
+
C507
10uF/25V
+
C512
10uF/25V
+
C513
10uF/25V
13VRF
13VRF
SYNCB
SPI0_CLK
AD9864_SPI_CS1
AD9864_DATAOUTA1
AD9864_FS1
AD9864_CLK1
SPI0_MOSI
RX_VCO_CTRL1
RX_LD1
RX_BPF_CTRL1
RX_PLL_CS1
SPI0_MISO
TX_VCO_SEL
VCC8_TX
TX_LD
SPI0_CLK
TX_ENABLE
POWER_SWR_T
POWER_TX_ENABLE
I2C0_SDA
POWER_SWR_R
POWER_TEMP_DET
TX_PLL_CS
POWER_CTRL
BBIP
BBIN
BBQP
BBQN
I2C0_SDA
I2C0_SCL
VCCR8X1
RX_VCO_SEL1
I2C_A0
SPI0_MOSI
TCXO_RXB
POWER_SWITCH
I2C0_SCL
Summary of Contents for TR850
Page 1: ......
Page 45: ...TR850 Service Manual 5 4 Connection 1 2 3 4 6 8 7 5 9 10 13 14 15 16 18 17 11 12 41 ...
Page 90: ...TR850 Service Manual Figure 1 Rx Module Top Board PCB View 86 ...
Page 91: ...TR850 Service Manual Figure 2 Rx Module Bottom Board PCB View 87 ...
Page 93: ...TR850 Service Manual Figure 5 Power Amplifier Module Bottom Board PCB View 89 ...
Page 94: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board PCB View 90 ...
Page 95: ...TR850 Service Manual Figure 7 Baseband Mainboard Bottom Board PCB View 91 ...
Page 97: ...TR850 Service Manual Figure 10 Power Board Top Board PCB View 93 ...
Page 114: ...TR850 Service Manual Figure 16 Baseband Mainbaord Schematic Diagram 110 ...
Page 169: ...TR850 Service Manual Figure 1 Rx module Top Board Position Mark Diagram 165 ...
Page 170: ...TR850 Service Manual Figure 2 Rx Module Buttom Board Position Mark Diagram 166 ...
Page 172: ...TR850 Service Manual Figure 5 Power Amplifier Module Buttom Position Mark Diagram 168 ...
Page 173: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board Position Mark Diagram 169 ...
Page 174: ...TR850 Service Manual Figure 7 Baseband Mainboard Buttom Board Position Mark Diagram 170 ...
Page 176: ...TR850 Service Manual Figure 10 Power Board Top Board Position Mark Diagram 172 ...
Page 193: ...TR850 Service Manual Figure 16 Baseband Mainboard Schematic Diagram 189 ...